2 years ago

Which of the following correctly described a compound

Chemistry

1 answer:

victus00 [196]2 years ago

5 0

Answer:

We need the options to answer.

Explanation:

N/A

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The mass of a material is a/an ___________.

tia_tia [17]

C) Extensive Property

An extensive property is a property that depends on the amount of matter in a sample. The mass of an object is a measure of the amount of matter that an object contains.

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3 years ago

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Convert 21 grams of radon into atoms of radon.

monitta

Answer:

The atomic mass of radon is 222.

Explanation:

. That means that one mole of radon weighs 222 grams (222 grams/moles). We can therefore make the following equation:

Grams × (1/222) = Moles of Radon

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2 years ago

An atom or ion has 16 protons, 15 neutrons, and 17 electrons. Is it positive, negative, or

azamat

Its negative I think, if I remember correctly it is phosphorus-32....

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2 years ago

Calculate the standard cell potential of the following cell at 25°C. Sn(s) | Sn2+(aq) || Cu2+(aq) | Cu(s).

Semmy [17]

Answer:

0.48 V

Explanation:

Usually in the cell notation, the left side shows oxidation. So,

Oxidation half reaction:

$Sn_{(s)}\rightarrow Sn^{2+}_{(aq)}+2e^-$ $E^o_{ox}=-E^o_{red}=-(-0.14\ V)=0.14\ V$

Reduction half reaction:

$Cu^{2+}_{(aq)}+2e^-\rightarrow Cu_{(s)}$ $E^o_{red}=0.34\ V$

$E^o_{cell}=E^o_{ox}+E^o_{red}= (0.14+0.34)\ V=0.48\ V$

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3 years ago

Solid solution are called:

forsale [732]

Answer:

Chemical solution in solid form; whose solvent's crystal structure is not altered by solute

Explanation:

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3 years ago